EX-21.1 3 nt10020839x2_ex21-1.htm EXHIBIT 21.1

Exhibit 21.1
Details of the Company’s significant subsidiaries or entities under the Company’s control at December 31, 2020 are as follows:

Company | Country | Group ownership
ICON Clinical Research, S.A. | Argentina | 100%
ICON Clinical Research PTY Limited | Australia | 100%
MedPass International Pty Ltd | Australia | 100%
ICON Clinical Research Austria GmbH | Austria | 100%
DOCS International Belgium N.V. | Belgium | 100%
ICON Pesquisas Clínicas LTDA. | Brazil | 100%
ICON Clinical Research EOOD | Bulgaria | 100%
ICON Clinical Research (Canada) Inc. | Canada | 100%
ICON Life Sciences Canada Inc. | Canada | 100%
Oxford Outcomes LTD | Canada | 100%
ICON Chile Limitada | Chile | 100%
CRS (Beijing) Clinical Research Co., Limited | China | 100%
ICON Clinical Research (Beijing No.2) Co., Ltd | China | 100%
ICON Clinical Research (Beijing) Co., Ltd | China | 100%
ICON Clinical Research Hong Kong Limited | China (Hong Kong) | 100%
Ispitivanja ICON d.o.o (ICON Research Ltd.) | Croatia | 100%
ICON Clinical Research s.r.o. | Czech Republic | 100%
DOCS International Nordic Countries A/S | Denmark | 100%
DOCS International Finland Oy | Finland | 100%
DOCS International France S.A.S. | France | 100%
ICON Clinical Research SARL | France | 100%
Mapi Développement SAS | France | 100%
Mapi Research Trust* | France | 100%
Mapi SAS | France | 100%
MedPass International SAS | France | 100%
MedPass SAS | France | 100%
MPLR SAS | France | 100%
DOCS International Germany GmbH | Germany | 100%
ICON Clinical Research GmbH | Germany | 100%
ICON Klinikai Kutató Korlátolt Felelősségű Társaság (ICON Clinical Research Limited Liability Company) | Hungary | 100%
ICON Clinical Research India Private Limited | India | 100%
ICON Clinical Research Israel Limited | Israel | 100%
ICON Japan K.K. | Japan | 100%
ICON Investments Limited | Jersey | 100%
ICON Clinical Research Korea Yuhan Hoesa (ICON Clinical Research Korea Ltd.) | Korea | 100%
ICON CRO Malaysia SDN. BHD. | Malaysia | 100%
ICON Clinical Research México, S.A. de C.V. | Mexico | 100%
DOCS Insourcing B.V. | Netherlands | 100%
DOCS International B.V. | Netherlands | 100%
ICON Contracting Solutions Holdings B.V. | Netherlands | 100%
ICON Clinical Research (New Zealand) Limited | New Zealand | 100%
ICON Clinical Research Perú S.A. | Peru | 100%
ICON Clinical Research Services Philippines, Inc. | Philippines | 100%

Company | Country | Group ownership
DOCS International Poland Sp. z o.o. | Poland | 100%
ICON Clinical Research Sp. z o.o. | Poland | 100%
Symphony Clinical Research Sp. z o.o. | Poland | 100%
Accellacare Limited | Republic of Ireland | 100%
DOCS Resourcing Limited | Republic of Ireland | 100%
ICON (LR) Limited | Republic of Ireland | 100%
ICON Clinical International Unlimited Company | Republic of Ireland | 100%
ICON Clinical Research Limited | Republic of Ireland | 100%
ICON Clinical Research Property Development (Ireland) Limited | Republic of Ireland | 100%
ICON Global Treasury Unlimited Company | Republic of Ireland | 100%
ICON Holdings Unlimited Company | Republic of Ireland | 100%
ICON Holdings Clinical Research International Limited | Republic of Ireland | 100%
ICON Investments Five Unlimited Company | Republic of Ireland | 100%
ICON Investments Four Unlimited Company | Republic of Ireland | 100%
ICON Clinical Research S.R.L. | Romania | 100%
ICON Clinical Research (Rus) LLC | Russia | 100%
ICON Clinical Research d.o.o. Beograd | Serbia | 100%
ICON Clinical Research (Pte) Limited | Singapore | 100%
ICON Clinical Research Slovakia, s.r.o. | Slovakia | 100%
MeDiNova Merc Clinical Research (SA) Pty Limited | South Africa | 100%
ICON Clinical Research España, S.L. | Spain | 100%
MeDiNova Investigacion y Desarrollo S.L. | Spain | 100%
DOCS International Sweden AB | Sweden | 100%
DOCS International Switzerland GmbH | Switzerland | 100%
ICON Clinical Research (Switzerland) GmbH | Switzerland | 100%
ICON Clinical Research Taiwan Limited | Taiwan | 100%
ICON Clinical Research (Thailand) Limited | Thailand | 100%
ICON Ankara Klinik Arastirma Dis Ticaret Anonim Sirketi | Turkey | 100%
DOCS Ukraine LLC | Ukraine | 100%
ICON Clinical Research LLC | Ukraine | 100%
DOCS International UK Limited | United Kingdom | 100%
ICON Clinical Research (U.K.) Limited | United Kingdom | 100%
ICON Development Solutions Limited | United Kingdom | 100%
Mapi Life Sciences UK Limited | United Kingdom | 100%
VSK (Kenilworth) Limited | United Kingdom | 100%
MeDiNova Limited | United Kingdom | 100%
MeDiNova Lakeside Clinical Research Limited | United Kingdom | 100%
MeDiNova Merc (UK) Limited | United Kingdom | 100%
Improving Treatments Limited | United Kingdom | 100%
MedPass Group Limited | United Kingdom | 100%
MedPass Limited | United Kingdom | 100%
MedPass International Limited | United Kingdom | 100%
Addplan, Inc. | USA | 100%
Beacon Bioscience, Inc. | USA | 100%
C4 MedSolutions, LLC | USA | 100%
CHC Group, LLC | USA | 100%
Complete Healthcare Communications, LLC | USA | 100%
Complete Publication Solutions, LLC | USA | 100%
CRN Holdings, LLC | USA | 100%

Company | Country | Group ownership
Clinical Resource Network, LLC | USA | 100%
CRN North America, LLC | USA | 100%
DOCS Global, Inc. | USA | 100%
Global Pharmaceutical Strategies Group, LLC | USA | 100%
ICON Clinical Research LLC | USA | 100%
ICON Early Phase Services, LLC | USA | 100%
ICON Government and Public Health Solutions, Inc. | USA | 100%
ICON Laboratory Services, Inc. | USA | 100%
ICON US Holdings Inc. | USA | 100%
Managed Care Strategic Solutions, L.L.C. | USA | 100%
MMMM Consulting, LLC | USA | 100%
MMMM Group, LLC | USA | 100%
Molecular MD Corp. | USA | 100%
PMG Research of Bristol, LLC | USA | 100%
PMG Research of Charleston, LLC | USA | 100%
PMG Research of Charlotte, LLC | USA | 100%
PMG Research of Christie Clinic, LLC | USA | 100%
PMG Research of Hickory, LLC | USA | 100%
PMG Research of Raleigh, LLC | USA | 100%
PMG Research of Rocky Mount, LLC | USA | 100%
PMG Research of Salisbury, LLC | USA | 100%
PMG Research of Wilmington, LLC | USA | 100%
PMG Research of Winston-Salem, LLC | USA | 100%
PMG Research, Inc. | USA | 100%
Pricespective, LLC | USA | 100%
PubsHub LLC | USA | 100%
*Mapi Research Trust is an association, its members are ICON Subsidiary entities.